55 lines
2.7 KiB
Plaintext
55 lines
2.7 KiB
Plaintext
The upgrade to NetBSD _VER is a binary upgrade; it would be prohibitive
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to make users upgrade by compiling and installing the _VER sources, and
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it would be very difficult to even compile a set of instructions that
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allowed them to do so. Because of the many changes to the system, it
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is difficult and impractical to upgrade by recompiling from the sources
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and installing.
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To do the upgrade, you must have the boot floppy image (boot.fs)
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available. You must also have at least the "base" and "kern"
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binary distribution sets available, so that you can upgrade with it,
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using one of the upgrade methods described above. Finally, you must
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have sufficient disk space available to install the new binaries.
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Since the old binaries are being overwritten in place, you only need
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space for the new binaries, which weren't previously on the system.
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If you have a few megabytes free on each of your root and /usr
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partitions, you should have enough space.
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Since upgrading involves replacing the boot blocks on your NetBSD
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partition, the kernel, and most of the system binaries, it has the
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potential to cause data loss. You are strongly advised to BACK UP ANY
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IMPORTANT DATA ON YOUR DISK, whether on the NetBSD partition or on
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another operating system's partition, before beginning the upgrade
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process.
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The upgrade procedure using the sysinst tool is basically the
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same as an installation, but without the hard disk partitioning.
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Another difference is that existing configuration files in /etc
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are backed up, and merged with the new files. Getting the binary
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sets is done in the same manner as the installation procedure;
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refer to the installation part of the document, section 7 and 8,
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on how to do this. Also, some sanity checks are done, i.e.
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filesystems are checked before unpacking the sets.
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After a new kernel has been copied to your hard disk, your
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machine is a complete NetBSD _VER system. However, that
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doesn't mean that you're finished with the upgrade process.
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You will probably want to update the set of device
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nodes you have in /dev. If you've changed the contents of
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/dev by hand, you will need to be careful about this, but if
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not, you can just cd into /dev, and run the command "sh
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MAKEDEV all".
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You must also deal with certain changes in the formats of
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some of the configuration files. The most notable change is
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that the "options" given to many of the file systems in
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/etc/fstab or by hand have changed, and some of the file
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systems have changed names. To find out what the new options
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are, it's suggested that you read the manual page
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for the file systems' mount commands, for example mount_nfs(8)
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for NFS.
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Finally, you will want to delete old binaries that were part
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of the version of NetBSD that you upgraded from and have since
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been removed from the NetBSD distribution.
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